int ledPin = 7;
int pushPin = 8;
int val = false;
void setup() {
  // put your setup code here, to run once:
  pinMode(ledPin, OUTPUT);
  pinMode(pushPin, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  val = digitalRead(pushPin);
  if(val == HIGH){
    digitalWrite(ledPin, HIGH);
  } else {
    digitalWrite(ledPin, LOW);
  }
}